Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

Fremont Orihula Wolf R JSC STP

Fremont, Wisconsin, United States

Fremont Orihula Wolf R JSC STP is a secondary wastewater treatment plant serving 1,857 people in Fremont, Wisconsin. It discharges 454.25 units of treated effluent daily, with a designed capacity of 757.08 units.

Secondary 1,857

FREMONT STP

Mahaska County, Iowa, United States

Fremont STP is a secondary wastewater treatment plant in Mahaska County, Iowa, serving 743 people. It discharges 189.27 megaliters annually and operates under U.S. EPA and Iowa DNR regulations.

Secondary 743

FRENCHBURG

Frenchburg, Kentucky, United States

Frenchburg wastewater treatment plant in Kentucky serves 1,358 people with secondary treatment. It discharges 704.09 units of treated effluent daily, operating at 84.5% of its 832.79-unit design capacity.

Secondary 1,358

FRENCHVILLE TOWN OF

Frenchville, Maine, United States

Frenchville Town Of wastewater treatment plant serves the community of Frenchville, Maine, providing secondary treatment for a population of 1,325. The plant discharges treated wastewater into local waterways within the St. John River basin.

Secondary 1,325

FRESNEDILLAS DE LA OLIVA

Fresnedillas de la Oliva, Comunidad de Madrid, Spain

Fresnedillas de la Oliva wastewater treatment plant serves the municipality in Comunidad de Madrid, Spain. It provides secondary treatment for a population of 3,136 with a designed capacity of 4,000 m³/day.

Secondary 3,136

Freudenberg

Lintach, Bayern, Germany

Freudenberg wastewater treatment plant serves the community of Lintach, Germany, with secondary treatment. It has a designed capacity of 4,500 m³/day and discharges treated effluent into local waterways.

Secondary 2,724

FRIARS POINT POTW

Friars Point, Mississippi, United States

Friars Point POTW is a secondary treatment plant serving 1,360 people in Friars Point, Mississippi. It discharges 757.08 cubic meters of treated wastewater daily into the local watershed.

Secondary 1,360

Friedenfels

Friedenfels, Bayern, Germany

Friedenfels wastewater treatment plant serves the town of Friedenfels in Bavaria, Germany. It provides secondary treatment for a population of approximately 3,017 and has a designed capacity of 7,000 m³/day.

Secondary 3,017

Frielendorf _ Verna

Verna, Hessen, Germany

Frielendorf _ Verna is a secondary wastewater treatment plant in Hessen, Germany, serving approximately 3,100 people. It operates under the EU Urban Waste Water Treatment Directive.

Secondary 3,100

Friemersheim Western Works

Garden Route District Municipality, Western Cape, South Africa

Friemersheim Western Works is a secondary treatment plant serving 1,332 people in the Garden Route District Municipality, Western Cape, South Africa.

Secondary 1,332

FRIENDLY PSD BENS RUN WWTP

Tyler County, West Virginia, United States

Friendly PSD Bens Run WWTP is a secondary treatment plant serving 305 people in Tyler County, West Virginia. It discharges treated wastewater into local waterways under US EPA NPDES regulations.

Secondary 305

FRIENDLY PSD WWTP

Tyler County, West Virginia, United States

Friendly PSD WWTP is a secondary treatment plant serving 581 people in Tyler County, West Virginia. It discharges 113.56 megaliters per year and has a designed capacity of 378.54 megaliters.

Secondary 581

Friendship RSD

Friendship, Indiana, United States

Friendship RSD is a secondary wastewater treatment plant in Friendship, Indiana, serving a small population of 150. It operates under the US Clean Water Act framework with an NPDES permit.

Secondary 150

Friendship T WWTP and Onsites

Friendship, New York, United States

Friendship T WWTP and Onsites is a secondary treatment plant serving 770 people in Friendship, New York. It discharges an average of 291.48 thousand gallons per day and has a designed capacity of 1082.62 thousand gallons per day.

Secondary 770

FRIENDSHIP WWTP

Friendship, Tennessee, United States

Friendship WWTP is a secondary treatment plant serving 635 people in Friendship, Tennessee. It discharges 189.27 megaliters of treated wastewater annually, with a designed capacity of 340.69 megaliters.

Secondary 635

Friendsville WWTP

Friendsville, Maryland, United States

Friendsville WWTP is a secondary treatment plant serving 550 residents in Friendsville, Maryland. It discharges treated wastewater into the local watershed, with a designed capacity of 378.54 cubic meters per day.

Secondary 550

FRIES WWTP and Collection System

Fries, Virginia, United States

Fries WWTP and Collection System is a secondary treatment plant serving approximately 1,720 residents in Fries, Virginia. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 1,135.62 units.

Secondary 1,720

FRIESLAND WWTP

Friesland, Wisconsin, United States

FRIESLAND WWTP is a secondary treatment facility in Friesland, Wisconsin, serving 297 people. It discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 297

FRIGENTO_IMPIANTO_FRIGENTO_LOCALITA_LA_QUARTA

Frigento, Campania, Italy

Frigento Impianto Frigento Localita La Quarta is a secondary wastewater treatment plant serving the town of Frigento in Campania, Italy. It has a designed capacity of 1,000 m³/day and serves a population of 700.

Secondary 700

FRIGENTO_IMPIANTO_FRIGENTO_LOCALITA_MATTINE

Gesualdo, Campania, Italy

FRIGENTO_IMPIANTO_FRIGENTO_LOCALITA_MATTINE is a secondary wastewater treatment plant serving Gesualdo, Campania, Italy. It treats wastewater from a small population of 350 with a designed capacity of 800 cubic meters per day.

Secondary 350
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